Is the vertical spacing between contour lines.
Connects points of equal elevation above sea level.
Is a single map in a topographic series.
Heightens the graphic effect of a topographic map.
Area, direction, latitude, longitude
Equivalence, shape, latitude, longitude
Conformality, equivalence, direction, symbols
Area, shape, distance, direction
Vegetation patterns by state
The location of schools in a census tract
Population density by county
The population of selected cities
International Date Line
One inch on the map represents 25,000 feet on the earth.
One inch on the map represents 25,000 inches on earth.
One foot on the map represents 25,000 inches on the earth.
One foot on the map represents 25,000 miles on the earth.
The electromagnetic system
A thermal scanner
2 1/2 inches
12 1/4 inches
Tiers and ranges
Base lines and meridians
Townships and sections
Acres and hectares
A straight line drawn anywhere on the map is a line of constant compass bearing.
The cone is the developable surface closest in form to one-half of a globe.
Distances along all standard parallels are true.
They can be mathematically adjusted to preserve conformality and equivalence
Back one day
Ahead one day
Ahead twelve hours
Back twelve hours
Is tangent to the poles.
Intersects the surface at two points only.
Passes through the center of the sphere.
Divided the sphere into four equal parts.
Passes through Greenwich Village, New York.
Is given in nature.
Connects the North and South poles.
Is parallel to the equator.
Degrees of longitude range from 0° to 360°.
Meridians decrease in length away from the International Date Line.
Distance between adjacent degrees of longitude increases away from the equator.
It is the angular distance east or west of the prime meridian.
North and South poles.
A curved surface cannot be represented on a flat surface without distortion.
Parallels and meridians never cross at right angles on a globe.
The grid system is two-dimensional but the earth is three-dimensional.
A sphere is a developable surface.
Latitude is a measure of distance and of the equator.
Latitude lines are always parallel to each other on a globe.
Latitude varies from 0° to 180°.
On a globe, lines of latitude intersect parallels of longitude at right angles.
Sense the heat emitted by objects on earth.
Can operate only in the daytime.
Have been used to detect water pollution.
Do not use photographic film.